<template>

  <a-layout>
    <a-layout-content
        :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <p>
        <a-form layout="inline" :model="param">
          <a-form-item>
            <a-input v-model:value="param.name" placeholder="名称">
            </a-input>
          </a-form-item>
          <a-form-item>
            <a-button type="primary" @click="handleQuery({page: 1, size: pagination.pageSize})">
              查询
            </a-button>
          </a-form-item>
          <a-form-item>
            <a-button type="primary" @click="add()">
              新增
            </a-button>
          </a-form-item>
        </a-form>
      </p>
      <a-table
          :columns="columns"
          :row-key="record => record.id"
          :data-source="ebooks"
          :pagination="pagination"
          :loading="loading"
          @change="handleTableChange"
      >
        <template #cover="{ text: cover }">
          <img v-if="cover" :src="cover" alt="avatar" style="width: 20%;height: 20%"/>
        </template>
        <template v-slot:category="{text,record}">
          <span>{{getCategoryName(record.category1_id)}}/{{getCategoryName(record.category2_id)}}</span>
        </template>
        <template v-slot:action="{ text, record }">
          <a-space size="small">
            <router-link :to="'/admin/doc?ebookId='+record.id">
              <a-button type="primary">
                文档管理
              </a-button>
            </router-link>
            <a-button type="primary"  @click="edit(record)">
              编辑
            </a-button>
            <a-popconfirm
              title="删除后不可恢复，确认删除？"
              ok-text="是"
              cancel-text="否"
              @confirm="handleDelete(record.id)"
              >
              <a-button type="danger">
                删除
              </a-button>
            </a-popconfirm>
          </a-space>
        </template>
      </a-table>

    </a-layout-content>
  </a-layout>
  <a-modal
      title="电子书表单"
      v-model:visible="modalVisible"
      :confirm-loading="modalLoading"
      @ok="handleModalOk"
  >
    <p>test</p>
    <a-form :model="ebook" :label-col="{ span: 6 }" :wrapper-col="{ span: 18 }">
      <a-form-item label="封面">
        <a-input v-model:value="ebook.cover" />
      </a-form-item>
      <a-form-item label="名称">
        <a-input v-model:value="ebook.name" />
      </a-form-item>
      <a-form-item label="分类">
        <a-cascader
            v-model:value="categoryIds"
            :field-names="{label:'name',value:'id' ,children:'children'}"
            :options="level1"/>
      </a-form-item>
      <a-form-item label="描述">
        <a-input v-model:value="ebook.description" type="textarea" />
      </a-form-item>
    </a-form>
  </a-modal>
</template>
<script lang="ts">
import { defineComponent ,onMounted,ref} from 'vue';
import axios from 'axios'
import {Tool} from "@/utils/tool";
import {message} from "_ant-design-vue@3.2.14@ant-design-vue";



export default defineComponent({
  name: 'AdminEbook',
  // components: {
  //
  // },
  setup(){
    const param = ref();
    param.value = {};
    const ebooks = ref();
    const pagination = ref({
      current: 1,
      pageSize: 2,
      total: 0
    });
    const loading = ref(false);
    const columns = [
      {
        title: '封面',
        dataIndex: 'cover',
        slots: { customRender: 'cover' }
      },
      {
        title: '名称',
        dataIndex: 'name'
      },
      {
        title: '分类',
        slots:{customRender: 'category'}
      },
      {
        title: '文档数',
        dataIndex: 'docCount'
      },
      {
        title: '阅读数',
        dataIndex: 'viewCount'
      },
      {
        title: '点赞数',
        dataIndex: 'voteCount'
      },
      {
        title: 'Action',
        key: 'action',
        slots: { customRender: 'action' }
      }
    ];

    /*
    * 数据查询
    * */
    const  handleQuery = (params:any)=>{
      loading.value = true;
      ebooks.value = [];
      axios.get("/ebook/getEbookListByPage", {
        params:{
          page:params.page,
          size:params.size,
          name:param.value.name
        }
      }).then((resp)=>{
        loading.value = false;
        const  data = resp.data;
        if(data.success){
          ebooks.value = data.content.list;

          //重置分页按钮
          pagination.value.current = params.page;
          pagination.value.total = data.content.total;
        }else{
          message.error(data.message);
        }

      });
    };
    /*
    * 表格点击页码时触发
    * */
    const handleTableChange =(pagination:any)=>{
      console.log("看看自带分页的参数都有些啥："+pagination);
      handleQuery({
        page:pagination.current,
        size:pagination.pageSize
      });
    };


    /*
    查询所有分类
    */
    const level1 = ref();
    let categorys:any;
    const  handleQueryCategory = ()=>{
      loading.value = true;
      axios.get("/category/allList").then((resp)=>{
        loading.value = false;
        const  data = resp.data;
        categorys = data.content;

        if (data.success){
          console.log(data.content)
          console.log("原始数组：",data.content);

          level1.value = [];
          level1.value = Tool.array2Tree(data.content,0);
          console.log("树形结构：",level1);
          //加载完分类后，再加载电子书，否则如果分类树加载很慢，则电子书渲染报错
          handleQuery({
            page:1,
            size:pagination.value.pageSize
          });
        } else {
          message.error(data.message);
        }
      });
    };
    // -------- 表单 ---------
    const categoryIds = ref();
    const ebook = ref();
    const modalVisible = ref(false);
    const modalLoading = ref(false);
    const handleModalOk = () => {
      modalLoading.value = true;
      ebook.value.category1_id = categoryIds.value[0];
      ebook.value.category2_id = categoryIds.value[1];
      axios.post("/ebook/save",ebook.value).then((resp)=>{
        const data = resp.data;
        if(data.success){
          modalVisible.value = false;
          modalLoading.value = false;
          //重新加载页面列表
          handleQuery({
            page:pagination.value.current,
            size:pagination.value.pageSize
          });
        }else{
          message.error((data.message));
        }
      });
      // modalLoading.value = true;
      setTimeout(() => {
        modalVisible.value = false;
        modalLoading.value = false;
      }, 2000);
    };

    const handleDelete = (id:number)=>{
      axios.get('/ebook/remove',{
        params:{
          id:id
        }
      }).then((resp)=>{
        if (resp.data.success) {
          handleQuery({
            page: pagination.value.current,
            size: pagination.value.pageSize
          });
        }
      })
    }

    const getCategoryName = (cid:number)=>{
      let result = "";
      categorys.forEach((item:any)=>{
        if (item.id === cid){
          result = item.name;
        }

      });
      return result;
    }

    //编辑
    const edit = (record:any)=>{
      ebook.value = Tool.copy(record);
      modalVisible.value =true;
      categoryIds.value = [ebook.value.category1_id,ebook.value.category2_id]
    }
    //新增
    const add = ()=>{
      ebook.value = {};
      modalVisible.value =true;
    }
    onMounted(()=>{
      handleQueryCategory();
      handleQuery({
        page:1,
        size:pagination.value.pageSize
      });

    })
    return {
      param,
      ebooks,
      pagination,
      columns,
      loading,
      handleTableChange,
      handleQuery,

      edit,
      add,

      ebook,
      modalVisible,
      modalLoading,
      handleModalOk,
      categoryIds,
      level1,


      getCategoryName,
      categorys,
      handleDelete
    }
  }
});
</script>